Finding the Fourth Proportional to 10,279.76, 15,428.68 and 5,352.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,279.76 : 15,428.68 = 5,352.72 : x
2. Step 2: Convert to fraction form
   10,279.76/15,428.68 = 5,352.72/x
3. Step 3: Cross multiply
   10,279.76x = 15,428.68 × 5,352.72
4. Step 4: Simplify right side
   10,279.76x = 82,585,404.01
5. Step 5: Solve for x
   x = 82,585,404.01/10,279.76
6. Step 6: Final answer
   x = 8,033.79